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    <title>多语言支持 | Mars3D | 三维地图 | 火星科技 | 合肥火星科技有限公司</title>

    <!--第三方lib-->
    <script
      type="text/javascript"
      src="../lib/include-lib.js"
      libpath="../lib/"
      include="jquery,font-awesome,bootstrap,bootstrap-checkbox,layer,haoutil,turf,mars3d"
    ></script>

    <link href="css/style.css" rel="stylesheet" />
  </head>

  <body class="dark">
    <!--加载前进行操作提示，优化用户体验-->
    <div id="mask" class="signmask" onclick="removeMask()"></div>

    <div id="mars3dContainer" class="mars3d-container"></div>

    <!-- 面板 -->
    <div class="infoview">
      提示：默认语言为中文简体，可以切换到 English 等。
      <div>
        标绘：
        <input type="button" class="btn btn-primary" value="点" onclick=" startDraw('point')" />
        <input type="button" class="btn btn-primary" value="线" onclick=" startDraw('polyline')" />
        <input type="button" class="btn btn-primary" value="面" onclick=" startDraw('polygon')" />
        <input type="button" class="btn btn-primary" value="圆" onclick="startDraw('circle')" />
        <input type="button" class="btn btn-primary" value="矩形" onclick="startDraw('rectangle')" />
        <input type="button" class="btn btn-primary" value="墙" onclick=" startDraw('wall')" />
        <input type="button" class="btn btn-primary" value="圆锥" onclick="startDraw('cylinder')" />
      </div>

      <div>
        量算：
        <input type="button" class="btn btn-primary" value="空间距离" onclick=" measure.distance()" />
        <input type="button" class="btn btn-primary" value="水平面积" onclick=" measure.area()" />
        <input type="button" class="btn btn-primary" value="三角高度" onclick="measure.heightTriangle()" />
        <input type="button" class="btn btn-primary" value="坐标测量" onclick="measure.point()" />
        <input type="button" class="btn btn-primary" value="方位角" onclick="measure.angle()" />
      </div>
    </div>

    <script src="./js/common.js"></script>
    <script type="text/javascript">
      "use script"; //开发环境建议开启严格模式

      var map;
      var drawLayer;
      var measure;

      function initMap(options) {
        //合并属性参数，可覆盖config.json中的对应配置
        var mapOptions = mars3d.Util.merge(options, {
          control: {
            homeButton: true,
            sceneModePicker: true,
            navigationHelpButton: true,
            infoBox: true,
            vrButton: true,
            fullscreenButton: true,
            geocoder: true,
            baseLayerPicker: true,
            animation: true, //是否创建动画小器件，左下角仪表
            timeline: true, //是否显示时间线控件

            defaultContextMenu: true, //涉及到多语言的模块：右键菜单
            compass: { top: "10px", right: "5px" },
            distanceLegend: { left: "180px", bottom: "30px" },
            locationBar: {
              fps: true,
              template:
                "<div>lng:{lng}</div> <div>lat:{lat}</div> <div>alt：{alt} m</div> <div>level：{level}</div><div>heading：{heading}°</div> <div>pitch：{pitch}°</div><div>cameraHeight：{cameraHeight}m</div>",
            },
          },
          lang: mars3d.LangType.EN, //使用英文
        });

        //创建三维地球场景
        map = new mars3d.Map("mars3dContainer", mapOptions);

        var zoom = new mars3d.control.Zoom({
          insertIndex: 1, //插入的位置顺序
          zoomInClass: "fa fa-plus",
          zoomOutClass: "fa fa-minus",
        });
        map.addControl(zoom);

        //涉及到多语言的模块：标绘提示
        drawLayer = new mars3d.layer.GraphicLayer({
          hasEdit: true,
          isAutoEditing: true, //绘制完成后是否自动激活编辑
        });
        map.addLayer(drawLayer);

        drawLayer.bindContextMenu([
          {
            text: "删除对象",
            iconCls: "fa fa-trash-o",
            callback: function (e) {
              let graphic = e.graphic;
              if (!graphic) {
                return false;
              }
              if (graphic) {
                drawLayer.removeGraphic(graphic);
              }
            },
          },
        ]);

        //涉及到多语言的模块：图上量算
        measure = new mars3d.thing.Measure({
          //可设置文本样式
          label: {
            color: "#ffffff",
            font_family: "楷体",
            font_size: 20,
            background: false,
          },
        });
        map.addThing(measure);
      }

      function startDraw(type) {
        drawLayer.startDraw({
          type: type,
          style: {
            color: "#00ffff",
            opacity: 0.6,
          },
        });
      }
    </script>
  </body>
</html>
